ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,233, issued on May 27, was assigned to Ingecid Investigacion Y Desarrollo De Proyectos S.L. (Santander, Spain).

"Threaded anchor for ice climbing" was invented by Jokin Rico Arenal (Santander, Spain) and Cesar Gonzalez Galvan (Santander, Spain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A threaded anchor for ice climbing, comprising: -a screw with a cylindrical tubular body, a number of cutting teeth, a rearward perimetric protruding threaded section; -a clamp disposed exteriorly with regard to the screw and comprising an operating component, displaceable between: a locked position, where the tightening of the clamp and the fixing thereof at any ...